EP3142517B1 - Structure for lightweight integrally formable bed frames for articulating beds - Google Patents

Structure for lightweight integrally formable bed frames for articulating beds Download PDF

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Publication number
EP3142517B1
EP3142517B1 EP15793136.1A EP15793136A EP3142517B1 EP 3142517 B1 EP3142517 B1 EP 3142517B1 EP 15793136 A EP15793136 A EP 15793136A EP 3142517 B1 EP3142517 B1 EP 3142517B1
Authority
EP
European Patent Office
Prior art keywords
frame
flange
support
articulating
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15793136.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3142517A4 (en
EP3142517A2 (en
Inventor
Alain Clenet
Joey Krueger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ergomotion Inc
Original Assignee
Ergomotion Inc
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Filing date
Publication date
Application filed by Ergomotion Inc filed Critical Ergomotion Inc
Publication of EP3142517A2 publication Critical patent/EP3142517A2/en
Publication of EP3142517A4 publication Critical patent/EP3142517A4/en
Application granted granted Critical
Publication of EP3142517B1 publication Critical patent/EP3142517B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
    • A47C19/021—Bedstead frames
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
    • A47C19/021—Bedstead frames
    • A47C19/025—Direct mattress support frames, Cross-bars
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination

Definitions

  • This invention relates generally to the field of adjustable beds and more particularly to a structure for the frame of an articulating bed having an extruded support frame with integral elements for bolster attachment and articulating elements support engagement.
  • the document KR 2011 0021152 A discloses a frame for an articulated bed according to the state of the art.
  • the embodiments disclosed herein overcome the shortcomings of the prior art by providing an extruded metal frame shape which is formed into any desired bed size by slicing of kerfs in the extrusion for side lengths with bending at the kerfs around sized base elements to create the completed frame.
  • the frame for an articulating bed employs an extruded beam having an inner flange and a support channel formed therein.
  • the extruded beam is cut to form frame side elements and end elements and a plurality of support blocks are received in and support by the support channel.
  • the support blocks engage a chariot supporting a seat section of an articulating structure.
  • Embodiments shown in the drawings and described herein provide a structure and system for fabrication of an articulating bed frame structure allowing linear manufacturing processes with minimal labor and tooling.
  • the frame elements are self-jigging for assembly and are adaptable to a range of sizes.
  • FIG. 1A shows an articulating bed employing a structural frame as disclosed herein.
  • the articulating structure 10 has a seat support 12, an upper body support element 14, a thigh support element 16, the upper body support element and thigh support element attached to the seat support element with hinges, and a lower leg support element 18 attached with hinges to the thigh support element.
  • the support elements are shown as substantially solid however, rigid honeycomb or similar material providing a rigid planar surface may be employed.
  • a frame 20 supports the articulating structure 10.
  • a chariot 22 is engaged to the seat support 12 and carries the articulating structure 10 allowing a "wall hugging" effect with the upper body support element 14.
  • the chariot 22 traverses longitudinally (from foot to head of the bed) as the upper body support element 14 is elevated from a flat to upright position.
  • the frame 20 is formed from an extruded beam 24 shown in FIGs. 2A and 2B .
  • the extruded beam 24 which may be metal or other structural material and, for the embodiments disclosed herein is aluminum, incorporates an upper inner flange 26 and a lower inner flange 28 separated by a slot 30 which opens into a support channel 32 having an upper wall 33 and a lower wall 35.
  • An upper outer flange 34 closes the support channel 32 and extends upward to an upper gripping flange 36.
  • An accessory channel 38 is backed by the lower inner flange 28 and a lower outer flange 40 provides partial closure of the exterior of the accessory channel 38. Wiring for articulation system actuators, integral massage systems, audio or lighting systems associated with the bed may be routed through the accessory channel.
  • the lower outer flange may provide total exterior closure of the accessory channel.
  • a lower gripping flange 42 extends from a bottom flange 44 which also forms a bottom wall of the accessory channel 38.
  • the support channel lower wall 35 provides the upper termination of the accessory channel 38 for the embodiment shown in the drawings.
  • the lower edge of upper inner flange 26 and upper edge of lower inner flange 28 terminate in an upper runner bead 46 and lower runner bead 48, respectively, which bound the slot 30 in the exemplary embodiment.
  • a feeler flange 50 depends from the bottom flange 44.
  • FIGs. 2C and 2D show a first alternative for use with an embodiment to be described in greater detail subsequently wherein the extruded beam 24 terminates at the upper wall 33 of the support channel 32 and does not incorporate an upper gripping flange.
  • Lower wall 35 extends from the upper outer flange 34 which closes the support channel 32.
  • Lower wall 35 is supported by an inner flange 29.
  • a lower outer flange 41 extends downward from the support channel 32 and terminates in a bottom flange 44.
  • a lower flange 43 is present which extends from the bottom flange 44 and feeler flange 50 depends from the bottom flange 44 as in the prior embodiment.
  • An accessories channel 39 is provided.
  • the configuration of the extruded beam 24 described with respect to FIGs. 2A and 2B allows the creation of saw kerfs 52 for defining the length and width of side elements 70 and end elements 72 and 72a, 72b of the frame 10 as shown in FIG. 3A .
  • a saw blade 54 is employed to provide precision cuts of the extruded beam 24 extending to line 56 through the upper gripping flange 36, upper outer flange 34, support channel upper wall 33 and lower wall 35, lower outer flange 40, lower gripping flange 42, accessory channel bottom wall 44 and feeler flange 50 leaving only the web of inner upper flange 26 and lower inner flange 28 intact as the termination of the kerf 52.
  • the extruded beam 24 may then be bent at each kerf as shown in FIGs. 4A and 4B to form the frame 10 as will be described in greater detail subsequently.
  • the bends at the kerf position the support channel 32 on the interior of the frame 10 and the accessory channel 38 on the exterior of the frame.
  • the support channel 32 in each element of the frame is accessible from the open ends created at the kerf for assembly operations as will be described in greater detail subsequently.
  • the accessory channel is open at the ends.
  • the chariot 22 supporting the articulating structure 10 as described with respect to FIG. 1B engages support elements riding in the support channel 32 such as translating support blocks 60 shown in detail in FIG. 5 .
  • Each translating support block 60 has an upper groove 62 and lower groove 64 which are adapted to engage and ride on the upper and lower runner beads 46, 48 with an inner portion 66 of the translating block 60 engaged within the support channel 32 as shown in FIGs. 6A and 7A .
  • a central bore 68 receives an axle extending from the chariot 22.
  • Subsidiary bores 70 may be employed for attachment fasteners.
  • the translating support block 60 is formed from naturally lubricious material such as nylon or Teflon® to allow easy translation along the runner beads and support channel during translation of the chariot 22 during operation of the articulating structure 10. As shown in FIGs. 8 and 9 , a pair of translating support blocks 60 riding in the support channels 32 of side elements 70 engage the chariot 22 in spaced relation providing support for the articulating structure 10. In an illustrative example the translating blocks may ride on the bottom 35 of support channel 32 or the support elements may be wheels 67 or similar structure with an axle 69 from the chariot 22 which may be received within the support channel 32 as shown in FIG. 6B to engage and support the chariot for translating motion.
  • the alternative configuration of the extrusion 24 as described with respect to FIGs. 2C and 2D is shown for this alternative example. The resulting carriage arrangement is shown in FIG. 7B .
  • a head end plate 76, foot end plate 78 and central plate 80 are employed as a portion of the frame 20 for additional rigidity and for integrated fabrication forms as will be described in greater detail subsequently. Peripheral edges of the end plates and the side edges of the central plate are engaged by the feeler flange in the extruded beam. Actuators and tension or compression elements for the articulation mechanisms may be mounted to the plates or may be engaged by stationary or locked support blocks 82 received in the support channel 32 as shown in FIG. 10A .
  • the locked support blocks incorporate engagement bores 84 to receive axles to engage the articulation elements and may include fixation bores 86.
  • the locked support blocks 82 may be engaged to be secured in a predetermined location in the support channel by fasteners match drilled through the upper or lower inner flanges 26, 28, broad headed fasteners inserted in the fixation bores 86 to engage one or both of the upper and lower inner flanges 26, 28 or set screws inserted through the fixation bores 86 to dimple and engage the back surface of the support channel, or peened dimples created in the flanges of the support channel to secure the locked support blocks.
  • Additional support elements such as angled support members 88, as seen in FIG. 10B , may be received at predetermined positions in the support channels 32.
  • the angled support member 88 includes a body 90 received in the support channel 32 and an angled extension 92 protruding through slot 30 to provide additional support for an articulating support element such as upper body support element 14 in the unarticulated position flush with the frame 20.
  • the angled support member as shown in FIG. 10C has sufficient length to span a joint between abutting extruded beam elements such as the end closure elements 72a and 72b as previously described.
  • the frame 20 provides for integral finishing capability for a complete upholstered bed frame.
  • a padded bolster 94 surrounding the frame is created by inserting extruded foam blocks 96, which may be covered with a fabric outer layer 98, between the upper gripping flange 36 and lower gripping flange 42 of the first embodiment of the extrusion 24 as described with respect to FIGs. 2A and 2B .
  • Upper gripping flange 36 and lower gripping flange 42 employ teeth 100 to engage the upholstered foam block 96.
  • Fabric texture and color as well as shaping of the bolster based on the extrusion shape of the foam block may be selected at the time of installation of the bolster on the frame thereby providing great flexibility in product appearance.
  • an adhesive or mechanical fasteners may be employed to secure the bolster.
  • a bolster 95 may employ an extruded foam block 97 in which a mounting support 99 is incorporated. The bolster rests on lower flange 43. The mounting support 99 may then be attached to the extrusion 24 using mechanical fasteners such as screws 101 extending through the outer flange 34 of the support channel 32.
  • the bolster 95 provides a resiliently flexible spacer 103 extending above the rigid elements of the extrusion (best seen in FIG. 11D ) to provide pinch protection where the articulating structure may rest on the top of the frame in the unarticulated position as disclosed in US Patent no. 8,990,983 entitled Bed Frame for an Adjustable Bed, having a common assignee with the present application.
  • the completed frame 20 provides an attractive completed piece of bedroom furniture.
  • the articulating structure 10 is supported by the frame 10 and, for the embodiment shown, is carried with all elements recessed flush with the upper extent of the frame.
  • the frame is easily assembled employing corner brackets as shown in FIGs. 13A - 13C .
  • An assembled frame employing extrusions as described with respect to FIGs. 2C and 2D is shown in FIG. 13A .
  • side elements 70 are connected to end elements 72 with a corner bracket 104 as shown in FIG. 13B and seen in FIG. 11D using fasteners 105 received through holes 107.
  • the corner bracket 104 has a filleted corner to accommodate a rounded corner on the bolster 95. While the embodiment shown places bracket 104 on the exterior wall of extrusion 24 in side elements 70 and end elements 72, the bracket may be received internally in the channel 32.
  • a bottom bracket and leg support 106 shown in FIG. 13C may be employed to provide additional rigidity in the corner of the assembled side elements 70 and end elements 72 as seen in FIG. 13A .
  • Fasteners may be inserted through lower flange 43 or bottom flange 44 (as described with respect to FIGs. 2C and 2D ) and holes 108 to engage the bottom bracket and leg support to the frame extrusions.
  • the frame 20 may then be supported by legs attached to the bottom bracket and leg support 106.
  • the embodiments for the frame 22 as disclosed provide for a highly simplified manufacturing process with minimal tooling, specialty part numbers and skilled labor requirements.
  • the extruded beam 24 may be received in long lengths or operated on directly from the extruder with a length of beam cut for a desired bed size as shown in FIG. 3A .
  • Saw kerfs 52 are cut at the predetermined lengths for the side and end elements of the frame for the desired bed size.
  • Each beam may then be powder coated and oven cured, or anodized or otherwise provided with a desired finish in a direct lineal process.
  • Fabrication of the frame 20 for embodiments employing the saw kerf configuration described with respect to FIGs. 3A , 3B , 4A and 4B may be accomplished on a single forming tool 110 as shown in FIG. 14A .
  • End blocks 112, shown in detail in FIG. 14B are placed on the tool 110 in corner position corresponding to the corners of the completed frame 22.
  • the end plates 76, 78 are fabricated from plywood and may be precision cut to length and width on a CNC saw or milling machine and the positioning holes 116 bored to match the positioning discs on the end blocks 112 of tool 110.
  • end blocks 112 are mounted to a top plate 118 on the tool 110 with dowels 120 received in sizing holes 122.
  • Various bed widths, twin, double, queen or king may be accommodated by positioning of the dowels in the desired width sizing holes 122.
  • An upper surface 124 on the end blocks 112 provides stable horizontal support for the end plates 76, 78.
  • precision fastener holes 126 may be drilled.
  • the extrusion 22 is aligned with an end element 72 positioned with kerfs 52a and 52b at the corners of the end plate 76.
  • Feeler flange 50 is urged against an end edge 128 of the end plate 76 (seen in FIG. 15A ) and fasteners are installed along that edge to engage the bottom flange 44 with the end element.
  • Side elements 70 are then created by bending the extrusion 22 at the kerfs 52a and 52b at 90° as seen in FIG. 16B .
  • Central plate 80 may be installed on center blocks 130 on the tool 110 prior to bending the side elements 70.
  • the feeler flange 50 of the side elements 70 of the extrusion 22 are urged against side edges 132 of the end plate 76 (seen in FIG. 15A ), central plate 80 and end plate 78 and fasteners 127 are installed along those edges to engage the end plate to the bottom flange 44.
  • the attachment configuration is shown in FIG. 17 in detail.
  • a frame 20 may also be fabricated with side elements 70 and end elements 72 cut to length from extrusions 24 without leaving webs for bending of the elements. Side elements 70 and end elements 72 are aligned at the corners with feeler flanges 50 (as described with respect to FIGs. 2C and 2D ) engaged against the end edges of the end plates 76, 78 and central plate 80 for installation of fasteners 127 and the corner brackets 104 as described with respect to FIGs. 13A and 13B may be installed to complete the rigid frame 20.
  • Translating support blocks 60, locked support blocks 82, and angled support members 88 may then be inserted into the support channels 32 in the frame side elements 70. Non-translating blocks or members may then be secured at predetermined locations. For finalizing assembly with completely separated end and side elements, the second end element is then installed and secured.
  • the frame 20 may then be removed from the tool 110 and the extrusion 22 may then be bent at kerfs 52c and 52d to close the frame with the frame end elements 72a and 72b engaging the end plate 78 with feeler flange 50 urged against the end edge 128 of the end plate 78 and fasteners are installed along that edge to engage the bottom flange 44 with the end element. As previously described and shown in FIG.
  • an angled support block may be employed to provide additional rigidity by engagement across the support channels 32 of the abutting frame end elements 72a and 72b.
  • Actuation elements for the articulating structure 10 and the chariot 22 may then be installed on into the blocks or onto the central plate or end plates as appropriate and the articulating structure mounted to the chariot and actuating elements.
  • the bolster for the bed may be fabricated in a similar linear process to the frame extrusion with the extruded foam which may be expanded polyethylene (EPE) or similar material may be provided in long lengths or operated on directly out of the extruder.
  • EPE expanded polyethylene
  • a total length for the bolster may be cut and kerfs created for bending the bolster at the frame corners.
  • Geometry for the kerfs to provide bent curves at the corners may be employed as described in previously referenced copending application serial no. 12/942,916 entitled Bed Frame for an Adjustable Bed, having a common assignee with the present invention.
  • Fabric may be applied to the EPE foam in an adhesive roll process or alternative spray finishes may be applied to the foam.
  • the kerfed foam is then inserted into the gripping flanges 36 and 42 on the extrusion 22.
  • the covered foam may be cut into lengths corresponding to the frame side elements 70 and end elements 72 and separately installed on each element.
  • Corner finishing elements 136 which may include the legs for the bed may then be secured in the corners by inserting capture flanges 138 into the exposed accessory channel or support channel 32 as shown in FIG. 18 .
  • the corner finishing element may be a top cap 137 merely provide continuity of the flange of the support channel around the corner as shown FIG. 11C .
  • bed frames 10 may be physically joined by employing a joining splice 139 having flange elements 140 engaged into the exposed support channels 30 of the end elements 72 in adjacent frames as shown in FIG. 19 .
  • This allows joining of frames with separate articulating structures into a single bed, for example, in a king bed size having two twin sized articulating assemblies and frames.
  • the prior art requirement for multiple legs as shown in FIG. 20 is now eliminated allowing a king created from paired twins as shown in FIG. 21 .
  • the extrusion 22 may additional include formed elements to provide a finished surface on a portion or the entire external surface of the frame.
  • the upper grasping flange 36' may extend from an intermediate point on the outer flange 40 and a finished box element 102a or 102b may be included in the extrusion providing a substantially finished surface for at least a portion of the frame.
  • the relative height of the finished box element and fabric padded bolster 94 may be adjusted by positioning of the upper grasping flange 36' as desired as shown in FIG. 22C or FIG. 22D .
  • Attachment for a head board on the bed is also easily accommodated as shown in FIG. 23 .
  • An engagement angle 142 is inserted into the open head end of the support channels 32 in the frame side elements 70 and secured using dimpling screws or similar means as previously described for the fixed elements.
  • a mounting plate 144 extends perpendicular to the insertion flange 146 for mounting of the headboard.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP15793136.1A 2014-05-14 2015-05-14 Structure for lightweight integrally formable bed frames for articulating beds Active EP3142517B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461993087P 2014-05-14 2014-05-14
PCT/US2015/030846 WO2015175816A2 (en) 2014-05-14 2015-05-14 Method and structure for lightweight integrally formable bed frames for articulating beds

Publications (3)

Publication Number Publication Date
EP3142517A2 EP3142517A2 (en) 2017-03-22
EP3142517A4 EP3142517A4 (en) 2018-01-17
EP3142517B1 true EP3142517B1 (en) 2021-02-24

Family

ID=54480929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15793136.1A Active EP3142517B1 (en) 2014-05-14 2015-05-14 Structure for lightweight integrally formable bed frames for articulating beds

Country Status (7)

Country Link
EP (1) EP3142517B1 (zh)
JP (1) JP6713930B2 (zh)
CN (2) CN107072402B (zh)
AU (1) AU2015259008B2 (zh)
ES (1) ES2869431T3 (zh)
NZ (1) NZ726908A (zh)
WO (1) WO2015175816A2 (zh)

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GB1040922A (en) * 1961-07-31 1966-09-01 Stafford Patents And Holdings Improvements in or relating to beds
US3612639A (en) * 1968-12-23 1971-10-12 Cole C Williams Drawer
US4354287A (en) * 1980-07-11 1982-10-19 Harry Fredman Bed frame with adjustable headboard engager or engager-extender
US4998700A (en) * 1990-04-23 1991-03-12 Mckaig Phyllis J Bed side rail holding bracket
IT1258918B (it) * 1992-05-15 1996-03-01 Letto da riposo accessoriabile
AU8391898A (en) * 1997-07-10 1999-02-08 Sunrise Medical Ccg An articulating bed and devices for an articulating bed
US5996145A (en) * 1997-10-15 1999-12-07 Harry A. Taylor Adjustable bed frame system
DE69916105T2 (de) * 1998-12-11 2004-08-26 Hill-Rom Services, Inc., Batesville Seitenpolstersystem für eine matratze
WO2000033784A2 (en) * 1998-12-11 2000-06-15 Hill-Rom, Inc. Hospital bed mechanisms
DE102005033053A1 (de) * 2005-07-15 2007-01-18 Sedac-Mecobel S.A. Faltliege mit Hubschere
CN201012165Y (zh) * 2007-03-19 2008-01-30 延吉喜来健实业有限公司 具有腿部按摩功能的家用温热理疗床
CN101019805B (zh) * 2007-03-19 2010-05-19 延吉喜来健实业有限公司 家用温热理疗床
CN101507676B (zh) * 2009-03-20 2011-06-01 王继华 多功能床
GB0918685D0 (en) * 2009-10-23 2009-12-09 Integrated Furniture Technolog Adjustable furniture
KR101121602B1 (ko) * 2009-08-25 2012-02-28 오성환 사출 및 압출성형에 의해 조립되는 침대 제조 방법 및 그로부터 제조되는 침대
US8990983B2 (en) * 2010-04-12 2015-03-31 Ergomotion, Inc. Bed frame for an adjustable bed
CN201822340U (zh) * 2010-09-14 2011-05-11 浙江工业大学 一种地震救生床

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Also Published As

Publication number Publication date
WO2015175816A3 (en) 2015-12-10
WO2015175816A2 (en) 2015-11-19
NZ726908A (en) 2020-07-31
ES2869431T3 (es) 2021-10-25
EP3142517A4 (en) 2018-01-17
CN111904202B (zh) 2022-06-24
AU2015259008B2 (en) 2020-03-05
CN111904202A (zh) 2020-11-10
AU2015259008A1 (en) 2016-12-01
EP3142517A2 (en) 2017-03-22
JP2017515594A (ja) 2017-06-15
CN107072402B (zh) 2020-09-01
JP6713930B2 (ja) 2020-06-24
CN107072402A (zh) 2017-08-18

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